Home / 113,122.36-169,683.46-28,882.54

Finding the Fourth Proportional to 113,122.36, 169,683.46 and 28,882.54

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Solution

The fourth proportional to 113,122.36, 169,683.46 and 28,882.54 is: 43,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122.36 : 169,683.46 = 28,882.54 : x
  2. Step 2: Convert to fraction form
    113,122.36/169,683.46 = 28,882.54/x
  3. Step 3: Cross multiply
    113,122.36x = 169,683.46 × 28,882.54
  4. Step 4: Simplify right side
    113,122.36x = 4,900,889,320.79
  5. Step 5: Solve for x
    x = 4,900,889,320.79/113,122.36
  6. Step 6: Final answer
    x = 43,323.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.